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First space walk/extra-vehicular activity (Alexei Leonov). USSR Voskhod 2: March 1965: First crewed spacecraft to change orbit. USA (NASA) Gemini 3: 14 July 1965: First flyby of Mars (returned pictures). USA (NASA) Mariner 4 [18] 14 July 1965: First photographs of another planet from deep space . USA (NASA) Mariner 4 [18] 26 November 1965
December 16 – The Beethoven Burst (GRB 991216) is one of the most powerful detected Gamma-ray bursts. NASA loses two Mars probes, the Mars Climate Orbiter and the Mars Polar Lander. The Subaru 8.3 m and Gemini North 8.1 m reflecting telescopes open at the Mauna Kea Observatory in Hawaii. The Cetus Dwarf galaxy is discovered.
The timeline of discovery of Solar System planets and their natural satellites charts the progress of the discovery of new bodies over history. Each object is listed in chronological order of its discovery (multiple dates occur when the moments of imaging, observation, and publication differ), identified through its various designations (including temporary and permanent schemes), and the ...
The month of February brought some unbelievably exciting discoveries in the study of space, and with it even more out of this world images. Most notably, scientists detected a "chirp" from ...
The first photo from space was taken from a V-2 launched by US scientists on 24 October 1946. 1930 – Seth Nicholson and Edison Pettit measure the surface temperature of the Moon. [167] 1932 – Karl Guthe Jansky recognizes received radio signals coming from outer space as extrasolar, coming mainly from Sagittarius.
New images from the Euclid space telescope are published, including a view of the Messier 78 star nursery. [304] Astronomers using TESS report the discovery of Gliese 12 b, a Venus-sized exoplanet located 40 light-years away, with an equilibrium temperature of 315 K (42 °C; 107 °F). This makes it the nearest, transiting, temperate, Earth ...
Discovery and exploration of the Solar System; Human presence in space; List of missions to the Moon; List of missions to Venus; List of missions to Mars; List of Solar System probes; List of interplanetary voyages; List of space telescopes; New Frontiers program; Out of the Cradle – 1984 book about scientific speculation on future missions ...
1924: Edwin Hubble: the discovery that the Milky Way is just one of many galaxies; 1925: Erwin Schrödinger: Schrödinger equation (Quantum mechanics) 1925: Cecilia Payne-Gaposchkin: Discovery of the composition of the Sun and that hydrogen is the most abundant element in the Universe; 1927: Werner Heisenberg: Uncertainty principle (Quantum ...